{"product_id":"ramco-hard-worker-bonding-agent-epoxy-hw403","title":"Ramco Hard Worker Bonding Agent Epoxy HW403","description":"\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eRamco Hard Worker Bonding Agent Epoxy (HW403)\u003c\/b\u003e is a high-performance, two-component, solvent-free structural bonding system based on epoxy resins. It is specifically engineered to bridge the gap between old (hardened) concrete and new (fresh) concrete, ensuring a monolithic bond that is often stronger than the concrete itself.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eUnlike traditional cement slurries, which can fail due to rapid drying or poor adhesion, HW403 provides a permanent chemical bond that is essential for structural repairs, extensions, and retrofitting.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eKey Features \u0026amp; Benefits\u003c\/b\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0cm;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo1; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eExceptional Bond Strength:\u003c\/b\u003e It creates a high-tensile and high-shear bond that ensures the new concrete layer becomes an integral part of the existing structure.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo1; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eLong Open Time:\u003c\/b\u003e HW403 is designed with an extended \"tacky\" phase, giving engineers and contractors sufficient time to place reinforcement and pour fresh concrete without the bonding agent drying out prematurely.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo1; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eStructural Integrity:\u003c\/b\u003e It is a non-shrink material that does not become brittle. It effectively transfers loads across the joint, making it ideal for load-bearing members like columns and beams.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo1; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eMoisture Insensitive:\u003c\/b\u003e The formula is designed to bond effectively even to slightly damp concrete surfaces, which is common in construction environments.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo1; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eChemical \u0026amp; Corrosion Resistance:\u003c\/b\u003e Acts as a protective barrier, preventing chlorides and moisture from reaching the reinforcement at the joint interface.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo1; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eEasy Application:\u003c\/b\u003e The two components (Resin \u0026amp; Hardener) are color-coded to ensure easy and thorough mixing on-site.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003ePrimary Applications\u003c\/b\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0cm;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo2; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eStructural Repairs:\u003c\/b\u003e Bonding new concrete patches or micro-concrete to damaged structural members.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo2; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eExtensions \u0026amp; Additions:\u003c\/b\u003e Joining new slabs, beams, or columns to existing building frameworks.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo2; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eFloor Topping:\u003c\/b\u003e Bonding high-strength floor screeds or wear-resistant toppings to old base slabs.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo2; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eBridge \u0026amp; Highway Maintenance:\u003c\/b\u003e Used in the repair of bridge decks, piers, and concrete pavements.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo2; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eSegmental Construction:\u003c\/b\u003e Ideal for bonding precast concrete segments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eTechnical Specifications\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eApplication Guide\u003c\/b\u003e\u003c\/p\u003e\n\u003col style=\"margin-top: 0cm;\" start=\"1\" type=\"1\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo3; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eSurface Preparation:\u003c\/b\u003e The base concrete must be mechanically cleaned (chipping, wire-brushing, or sandblasting) to remove all laitance, oil, and loose particles. The surface should be structurally sound.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo3; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eMixing:\u003c\/b\u003e Add the Hardener (Part B) to the Resin (Part A). Mix thoroughly using a slow-speed mechanical stirrer until a uniform grey color is achieved.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo3; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eApplication:\u003c\/b\u003e Apply the mixed HW403 onto the prepared surface using a stiff-bristled brush or a roller. Ensure the entire area is covered evenly.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo3; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eConcreting:\u003c\/b\u003e Pour the fresh concrete or repair mortar while the HW403 layer is still \u003cb\u003etacky\u003c\/b\u003e to the touch. If the coating becomes hard\/glassy, a fresh coat must be applied.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l2 level1 lfo3; tab-stops: list 36.0pt;\"\u003e\n\u003cb\u003eCleaning:\u003c\/b\u003e Clean tools immediately after use with an epoxy thinner or solvent, as the material is difficult to remove once cured.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cb\u003eWhy Choose HW403 Over Traditional Slurries?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003eTraditional cement-water slurries often \"dry out\" before the new concrete is poured, creating a layer of dust that actually \u003ci\u003eprevents\u003c\/i\u003e bonding. \u003cb\u003eRamco Hard Worker HW403\u003c\/b\u003e stays chemically active and tacky for hours, ensuring that the interface between the old and new sections is the strongest part of your structure.\u003c\/p\u003e","brand":"Build Kingdom","offers":[{"title":"Default Title","offer_id":53882261831955,"sku":null,"price":0.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0968\/2056\/0147\/files\/RamcoHardWorkerBondingAgentEpoxyHW403.avif?v=1772211967","url":"https:\/\/buildkingdom.in\/products\/ramco-hard-worker-bonding-agent-epoxy-hw403","provider":"Build Kingdom","version":"1.0","type":"link"}